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kernel: Move non-kernel db cache size constants

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These have nothing to do with the txdb, so move them out and into the
node caches.
This commit is contained in:
TheCharlatan 2024-11-22 22:44:17 +01:00
parent 41bc716488
commit 136e4080c2
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2 changed files with 9 additions and 8 deletions
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11
src/node/caches.cpp
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@ -12,17 +12,24 @@
#include <algorithm>
#include <string>
// Unlike for the UTXO database, for the txindex scenario the leveldb cache make
// a meaningful difference: https://github.com/bitcoin/bitcoin/pull/8273#issuecomment-229601991
//! Max memory allocated to tx index DB specific cache in MiB.
static constexpr int64_t MAX_TX_INDEX_CACHE{1024};
//! Max memory allocated to all block filter index caches combined in MiB.
static constexpr int64_t MAX_FILTER_INDEX_CACHE{1024};
namespace node {
CacheSizes CalculateCacheSizes(const ArgsManager& args, size_t n_indexes)
{
int64_t nTotalCache = (args.GetIntArg("-dbcache", nDefaultDbCache) << 20);
nTotalCache = std::max(nTotalCache, nMinDbCache << 20); // total cache cannot be less than nMinDbCache
IndexCacheSizes sizes;
sizes.tx_index = std::min(nTotalCache / 8, args.GetBoolArg("-txindex", DEFAULT_TXINDEX) ? nMaxTxIndexCache << 20 : 0);
sizes.tx_index = std::min(nTotalCache / 8, args.GetBoolArg("-txindex", DEFAULT_TXINDEX) ? MAX_TX_INDEX_CACHE << 20 : 0);
nTotalCache -= sizes.tx_index;
sizes.filter_index = 0;
if (n_indexes > 0) {
int64_t max_cache = std::min(nTotalCache / 8, max_filter_index_cache << 20);
int64_t max_cache = std::min(nTotalCache / 8, MAX_FILTER_INDEX_CACHE << 20);
sizes.filter_index = max_cache / n_indexes;
nTotalCache -= sizes.filter_index * n_indexes;
}

6
src/txdb.h
View file

@ -29,12 +29,6 @@ static const int64_t nDefaultDbBatchSize = 16 << 20;
static const int64_t nMinDbCache = 4;
//! Max memory allocated to block tree DB specific cache (MiB)
static const int64_t nMaxBlockDBCache = 2;
// Unlike for the UTXO database, for the txindex scenario the leveldb cache make
// a meaningful difference: https://github.com/bitcoin/bitcoin/pull/8273#issuecomment-229601991
//! Max memory allocated to tx index DB specific cache in MiB.
static const int64_t nMaxTxIndexCache = 1024;
//! Max memory allocated to all block filter index caches combined in MiB.
static const int64_t max_filter_index_cache = 1024;
//! Max memory allocated to coin DB specific cache (MiB)
static const int64_t nMaxCoinsDBCache = 8;